compile and run

run.ps1

@@ -0,0 +1,37 @@
+<#
+.SYNOPSIS
+  Runs the solution of a specific exercise.
+.DESCRIPTION
+  This script runs the solution of a specific exercise.
+.PARAMETER Vorlesung
+  The number of the lecture to run the solution.
+.PARAMETER Aufgabe
+  The number of the exercise to run the solution.
+.EXAMPLE
+  Run the solution of exercise 1 of lecture 12.
+  .\Run -Vorlesung 12 -Aufgabe 1
+#>
+param(
+  [UInt16]$Vorlesung,
+  [Uint16]$Aufgabe
+)
+
+if ((-not (Get-Command java -ErrorAction SilentlyContinue)) -or (-not (Get-Command javac -ErrorAction SilentlyContinue))) {
+  throw "Java is not installed. Please install Java."
+}
+
+$formatVorlesung = '{0:d2}' -f $Vorlesung
+$formatAufgabe = '{0:d2}' -f $Aufgabe
+
+Write-Host "Vorlesung $formatVorlesung / Aufgabe $formatAufgabe"
+
+$folderPathAufgabe = "VL$formatVorlesung/Aufgabe$formatAufgabe"
+$filePathAufgabe = "$folderPathAufgabe/Aufgabe$formatAufgabe.java"
+
+if (Test-Path $folderPathAufgabe -PathType Container) {
+  Get-ChildItem -path $folderPathAufgabe -Filter *.java -File | ForEach-Object { &"javac" $_.FullName}
+}
+
+if (Test-Path $filePathAufgabe -PathType Leaf) {
+  java $filePathAufgabe.Replace('/', '.').Replace('.java', '')
+}